Somewhere between gymnastics and martial arts is Parkour, a challenging, physical discipline requiring speed, body control, and flexibility. In this essential lesson for Parkour and freerunning novices, review two essential skills: warm ups and landings. If you want to start practicing Parkour and freerunning safely as a beginner, this lesson is a great place to start.

One fundamental movement of both Parkour and Freerunning is the Vault. The Vault is a basic maneuver that you can use to safely hurdle over obstacles, including low walls, railings and fences. If you are looking for a movement that will allow you to navigate the landscape while maintaining your forward momentum, this is it! In this fun and quick lesson, you learn how to do the Speed, Reverse and Monkey Vaults.

Ready to learn how to do a side flip? In this lesson, teacher Christopher Tung uses stop-action footage to show you exactly how to take off and jump higher. You'll see how to position your arms to generate torque when spinning, control your tuck, and spot the ground for a smooth landing. With some practice, you'll be able to add this trick to your free running and parkour moves!

Both a “punch” and a “plyo” are two-footed jumps in the sport of parkour. But a plyo is not a punch. In this lesson from Zoic Nation, learn how to do a plyometric jump, safely. Andy demonstrates how to step into a plyo (instead of hopping or hurdling into it) for a quiet landing on the balls of your feet, as well as how to swing your arms forward into your jump for momentum. Finally, he illustrates common mistakes that people make and shows what a well-executed plyo should look like.

Looking for a fun and interesting way to teach 4th or 5th grade students about chemistry and chemical reactions? Use this polymer bouncy ball experiment that combines sodium silicate and ethyl alcohol to create a bouncy ball kids can play with over and over, then teach them about the science and chemical reactions in play (pun intended).

Become familiar with the tools and materials required to solder. This lesson teaches you the proper way to cut, clean, and deburr pipe, and demonstrates proper flux application (flux is not only for the pipes you are soldering, but also for the pipe fitting). After watching Seth demonstrate with ½ in. copper pipe, you will be well on your way to safe soldering, and repairing your own plumbing in no time!

Why wile away your days when you can tile them away? Part 1 of 3, this lesson from Tommy's Trade Secrets teaches you how to tile a bathroom or kitchen floor. Learn how to plan your tile arrangement and mark your room accordingly - and the best practices for sealing your floor with PVA glue, spacing your tiles, and laying tile on an uneven surface. Continue with the series to learn how to cut tile for corners, edges, and doorways - and how to grout and finish your tiling project.

Taking your dog for a walk is a great way for both of you to get some exercise, but walking your dog can be a challenge if it does not heel at your side, and instead insists on pulling you in the direction tit want to go. However, according to Nigel Reed, London Dog Listener, a dog will only exhibit this behavior if it believes that it are the leader. Learn how to correct this behavior with Nigel’s ten-step tutorial. Soon you’ll have the best-behaved dog in the neighborhood!

Indulge your inner mad scientist by experimenting with and creating shapes out of magnets and ferrofluid, a black liquid present in the earth's crust. Discover the science behind this magnetic rare earth, hear how to make your own ferrofluid at home (including a portable version encased in water), learn how to alter and complicate your ferrofluid designs, and get tips on how to tidy up after your project (as every good mad scientist should).

Want to avoid (or recover from) a cold, but tired of synthetic solutions? In this lesson, eco-conscious vegan Whitney Lauritsen teaches you how a natural diet and lifestyle can help keep you healthy. Learn what foods to eat and which to avoid in order to strengthen your immune system. Discover why locally grown food has more nutrients, and why you should incorporate raw food into every meal. Hear some greener alternatives to chemical sanitizers and drugs and learn about natural cold remedies.

Knock it out of the park with help from this power bag drill! This lesson from Performance Factory Baseball teaches you an exercise to improve the explosive power and drive of your baseball bat swing. The lesson offers tips for the stance, form, angle, and direction of your swing. This drill will also develop hand, wrist, and core strength.

Lost in the woods? No need to resort to trails of bread crumbs! This lesson from Roadside Nature shows you the correct way to hold, use, and read a compass to scout your way home. Point the compass forward, keeping it level with the ground. Ensure that there are no metallic objects or electricity sources nearby, as these can interfere with your compass. Learn about the Quadrant and Azimuth methods of finding a specific direction.

Do you love Korean BBQ? Now you can grill Korean style beef at home following this simple recipe - and you don’t even need a barbecue to make this delicious treat! Learn how to marinade your beef in soy sauce, sesame oil, green onion, red pepper flakes, honey, and garlic. Honeysuckle Catering teaches you how to grill your beef perfectly.

What's causing your poor posture? Is it laziness? Respiratory issues? An inflexible spine? A neck that's not in proper alignment? In this lesson, neuromuscular therapist Holistic Sam explains the condition excessive thoracic kyphosis, addressing both its causes and its potential treatments. There may be exercises that can help with your posture and back pain!

Correct the balance of your pelvis, help your upper body posture, work your abs and buttocks, and stretch out your legs, all with just one stretch! In this lesson, neuromuscular therapist Holistic Sam introduces you to the kneeling hip flexor stretch, designed to help with excessive anterior pelvic tilt - a frequent cause of back pain. This lesson offers instructions for a basic and an advanced form of this stretch.

New to homebrewing beer or curious about the chemistry and cooking process behind the delicious brew you already know how to make? In this video James teaches you the tricks and techniques of home brewing your own beer while making a Nut Brown Ale from a malt extract recipe. Learn how each ingredient and process contributes to the flavor profile and appearance of your homemade brew.

Create designer wallpaper without designer prices! This lesson from Cutting Edge Stencils teaches you how to use stencils, paint, tape, and rollers to make easy but original and elegant wallpaper patterns. Learn how to eyeball your stencil placement, layer multiple stencils, and decorate your wall without trouble or mess. This lesson also covers bending stencils around floors and ceilings to get a natural wallpaper look.

Before you set out on your next adventure in the great outdoors, make sure you have the right food—and enough of it! Elaine Johnson, associate food editor at Sunset magazine, reveals what to prep ahead, why you should use a grocery list, how to pack a cooler to keep fragile foods safe and secure, and more. With all of the meals squared away in advance, you can spend less time hovering over the grill and more time enjoying the fresh air.

Perhaps you’ve taken a year of Spanish, and you feel comfortable enough in your language skills to finally take that vacation to a Spanish speaking country. While you may be intimidated, if you have the basics down, you’ve got nothing to worry about. Spanish is Your Amigo is here to teach you ten key phrases that are great to begin a conversation, or to interject when you don’t know what else to say. Master these, and no one will guess that Spanish isn’t your native language.